Security

329 articles found

Layer 1Security
2 Sources

Ethereum Developers Propose Quantum-Resistant Staking Keys for Validators

Ethereum core developers have drafted a proposal allowing validators to deposit using quantum-resistant cryptographic ke...

Aug 27, 2026, 02:09 AM
EthereumBLS signatures
Security
2 Sources

Ledger Patches Ethereum Signing Flaw That Could Mask Transaction Substitution

Ledger released a firmware update addressing a vulnerability in its Ethereum app that could allow users to sign transact...

Aug 25, 2026, 05:15 AM
LedgerEthereum
Layer 1Security
2 Sources

BlackRock, Coinbase Back $15M Bitcoin Quantum-Security Consortium

Nine institutional firms including BlackRock, Coinbase, and Strategy formed the Bitcoin Security Consortium on July 23, ...

Aug 24, 2026, 12:02 PM
BitcoinBlackRock
SecurityRegulation
2 Sources

U.S. Charges 17 Iranian Hackers for Extortion Campaign Involving Bitcoin

The Justice Department charged 17 alleged members of Iran's Mabna Institute with conducting a years-long hacking campaig...

Aug 21, 2026, 01:08 AM
Mabna InstituteIran
Security
2 Sources

FBI May Have Identified Coldcard Hacker Behind 1,082 BTC Theft

Investigators traced the first wave of Coldcard hardware wallet thefts to 1,082.65 BTC moved through a paid data provide...

Aug 19, 2026, 06:02 AM
ColdcardFBI
Layer 1Security
2 Sources

Zcash Activates Ironwood Fix as ZEC Rebounds From July Decline

Zcash activated the Ironwood upgrade on July 28, closing the vulnerable Orchard pool and opening a replacement under new...

Aug 19, 2026, 04:02 AM
ZcashZEC
Security
2 Sources

BitBox Patches Severe Firmware Vulnerabilities Discovered via AI

Swiss hardware wallet maker BitBox released a firmware update Monday addressing two severe vulnerabilities that could ha...

Aug 18, 2026, 08:33 PM
BitBox
SecurityAdoption
2 Sources

Kraken Parent Payward Joins Anthropic's Project Glasswing for AI Security

Payward, the parent company of exchange Kraken, has been accepted into Anthropic's Project Glasswing, a program granting...

Aug 17, 2026, 11:13 PM
PaywardKraken
ExchangesSecurity
2 Sources

Bitcoin ETFs Attract $800M+ as Coldcard Exploit Reignites Custody Debate

U.S. spot Bitcoin ETFs gathered between $790.6 million and $853.5 million over a five to seven-day period, with BlackRoc...

Aug 14, 2026, 11:23 PM
BitcoinBlackRock IBIT
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